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If you like solved-problems, you’ll love the solved-problems Premium Membership.

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# Compare Memberships

Visitor | Basic Membership | Premium Membership | Trial^{1} Premium |
||
---|---|---|---|---|---|

Price (per month) | free | free | $10(or $30 for 4 months) | free | |

download e-books | × | √ | √ | √ | |

Submit problems to get full solutions, by | web | × | × | √ | 1 |

iPhone | × | × | √ | × | |

Android | × | × | √ | × | |

Submit problems and solutions to be checked, by | web | × | × | √ | 1 |

iPhone | × | × | √ | × | |

Android | × | × | √ | × | |

No ad banners | × | × | √ | × |

^{1}Trial membership can be acquired for a week by registering and suggesting our facebook page to your friends.

## Pricing

**Membership is currently closed.**

solved-problems operates on a credit-based system. All purchases are one-time (No auto renewals).

Silver, 10 credits – $10 – valid for one month

Gold, 40 credits – $30 – valid for four months

Full solution for your problem = 2 credits

Check a solution submitted by you = 1 credit

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## Topics

### Electrical Circuits

### Fundamentals of Electrical Engineering

### Calculus

### Control Systems

### Logic Circuits

## Submit A Problem

After signing up from here and paying the membership fee, You will be given privilege to submit a problem from here. You will recieve an email as soon as the problem is solved, or your solution is checked.

## FAQ

What do Premium Members get? As a Premium Member, we’ll solve your problems in topics covered.

How long to get my problems solved? Premium Member problems are generally solved and posted within 24-36 hours, although it can be 3-5 days for more complicated problems.

Who solves these problems?

A number of talented, educated and qualified members.